'Arrow' casts 'Pan Am' actor Colin Donnell

The Pan Am actor will play a character named Tommy Merlyn in the DC Comics-inspired project, according to Deadline.

Donnell will line up alongside Stephen Amell, David Ramsey, Susanna Thompson and Willa Holland in the show. Game of Thrones director David Nutter will helm the pilot episode, based on a script by Green Lantern writers Greg Berlanti and Marc Guggenheim.